-/* $Id: search.js,v 1.1 2007-01-05 11:30:13 sondberg Exp $
+/* $Id: search.js,v 1.14 2007-01-10 12:15:46 sondberg Exp $
* ---------------------------------------------------
* Javascript container
*/
var old_session = session_read();
var url_surveillence;
var recstoshow = 15;
-var cur_termlist = "subject";
+var page_window = 5; // Number of pages prior to and after the current page
+var facet_list;
+var cur_facet = 0;
function initialize ()
{
+ facet_list = get_available_facets();
start_session();
session_check();
}
xinitSession.onreadystatechange=session_started;
xinitSession.open("GET", url);
xinitSession.send(null);
-
- //url_surveillence = setInterval(session_check, 200);
}
function ping_session()
}
+function make_pager (hits, offset, max) {
+ var html = '';
+ var off;
+ var start_offset = offset - page_window * max;
+ var div_elem = document.createElement('div');
+
+ div_elem.className = 'pages';
+
+ if (start_offset < 0) {
+ start_offset = 0;
+ }
+
+ for (off = start_offset;
+ off < hits && off < (start_offset + 2 * page_window * max);
+ off += max) {
+
+ var p = off / max + 1;
+ var page_elem = create_element('a', p);
+ var newline_node = document.createTextNode('\n');
+
+ if ((offset >= off) && (offset < (off + max))) {
+ page_elem.className = 'select';
+ }
+
+ page_elem.setAttribute('href', '#');
+ page_elem.setAttribute('onclick', 'update_offset(' + off + ')');
+
+ div_elem.appendChild(page_elem);
+ div_elem.appendChild(newline_node);
+ }
+
+ return div_elem;
+}
+
+
+function update_offset (offset) {
+ document.search.startrec.value = offset;
+ update_action('page');
+ check_search();
+ update_history();
+ return false;
+}
+
+
+function create_element (name, cdata) {
+ var elem_node = document.createElement(name);
+ var text_node = document.createTextNode(cdata);
+ elem_node.appendChild(text_node);
+
+ return elem_node;
+}
+
+
function show_records()
{
if (xshow.readyState != 4)
var xml = xshow.responseXML;
var body = document.getElementById("body");
var hits = xml.getElementsByTagName("hit");
+
+ body.innerHTML = '';
+
if (!hits[0]) // We should never get here with blocking operations
{
body.innerHTML = "No records yet";
var start = Number(xml.getElementsByTagName('start')[0].childNodes[0].nodeValue);
var num = Number(xml.getElementsByTagName('num')[0].childNodes[0].nodeValue);
var clients = Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue);
- body.innerHTML = '<b>Records : ';
- body.innerHTML += (start + 1) + ' to ' + (start + num) +
- ' of ' + merged + ' (total hits: ' + total + ')</b>';
-
- if (start + num < merged)
- body.innerHTML += ' <a href="" ' +
- 'onclick="document.search.startrec.value=' + (start + recstoshow) +
- ";update_action('page')" +
- ';check_search(); update_history(); return false;">Next</a>';
-
- if (start > 0)
- body.innerHTML += ' <a href="" ' +
- 'onclick="document.search.startrec.value=' + (start - recstoshow) +
- ";update_action('page')" +
- ';check_search(); update_history();return false;">Previous</a>';
-
- body.innerHTML += '<br/>';
+ var pager = make_pager(merged, start,recstoshow);
+ var break_node1 = document.createElement('br');
+ var break_node2 = document.createElement('br');
+ var record_container = document.createElement('div');
+ var interval = create_element('div', 'Records : ' + (start + 1) +
+ ' to ' + (start + num) + ' of ' +
+ merged + ' (total hits: ' +
+ total + ')');
+ interval.className = 'results';
+ record_container.className = 'records';
+
+ body.appendChild(pager);
+ body.appendChild(interval);
+ body.appendChild(break_node1);
+ body.appendChild(break_node2);
+ body.appendChild(record_container);
+
for (i = 0; i < hits.length; i++)
{
- body.innerHTML += '<p>';
- body.innerHTML += (i + start + 1) + ': ';
- var mk = hits[i].getElementsByTagName("title");
- if (mk[0])
- body.innerHTML += mk[0].childNodes[0].nodeValue;
- body.innerHTML += '</p>';
+ var mk = hits[i].getElementsByTagName("md-title");
+ var field = '';
+
+ if (mk[0]) {
+ field = mk[0].childNodes[0].nodeValue;
+ } else {
+ field = 'N/A';
+ }
+
+ var record_cell = create_element('a', field);
+ record_cell.setAttribute('href', '#');
+ record_cell.className = 'record';
+ record_container.appendChild(record_cell);
}
+
shown++;
if (clients > 0)
{
}
}
if (!termtimer)
- termtimer = setTimeout(check_termlist, 1000);
+ termtimer = setTimeout(check_termlist, 500);
}
function check_search()
start_search();
}
-function set_termlist(termlist)
-{
- cur_termlist = termlist;
- check_termlist();
- if (termtimer)
- {
- clearTimeout(termtimer);
- termtimer = 0;
- }
-}
-function show_termlistoptions(body)
-{
- var opts = Array(
- Array('subject', 'Subject'),
- Array('author', 'Author')
- );
-
- for (i in opts)
- {
- if (opts[i][0] == cur_termlist)
- body.innerHTML += opts[i][1];
- else
- body.innerHTML += '<a href="" onclick="set_termlist(\'' + opts[i][0] +
- '\'); return false">' + opts[i][1] + '</a>';
- body.innerHTML += ' ';
- }
- body.innerHTML += '<p>';
-}
function show_termlist()
{
var i;
var xml = xtermlist.responseXML;
- var body = document.getElementById("termlist");
+ var body = facet_list[cur_facet][1];
var hits = xml.getElementsByTagName("term");
var clients =
Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue);
+
+ cur_facet++;
+
+ if (cur_facet >= facet_list.length)
+ cur_facet = 0;
+
if (!hits[0])
{
- termtimer = setTimeout(check_termlist, 1000);
+ termtimer = setTimeout(check_termlist, 500);
}
else
{
- body.innerHTML = "<b>Limit results:</b><br>";
- show_termlistoptions(body);
- for (i = 0; i < hits.length; i++)
+ body.innerHTML = '';
+
+ for (i = 0; i < hits.length; i++)
{
var namen = hits[i].getElementsByTagName("name");
if (namen[0])
- body.innerHTML += '<a href="#" onclick="refine_query(this)">' +
- namen[0].childNodes[0].nodeValue +
- '</a>';
- body.innerHTML += '<br>';
+ var refine_cell = create_element('a',
+ namen[0].childNodes[0].nodeValue);
+ refine_cell.setAttribute('href', '#');
+ refine_cell.setAttribute('onclick', 'refine_query(this)');
+ body.appendChild(refine_cell);
}
+
if (clients > 0)
- termtimer = setTimeout(check_termlist, 2000);
+ termtimer = setTimeout(check_termlist, 1000);
}
}
function check_termlist()
{
+ var facet_name = facet_list[cur_facet][0];
var url = "search.pz2?" +
"command=termlist" +
"&session=" + session +
- "&name=" + cur_termlist;
+ "&name=" + facet_name;
xtermlist = GetXmlHttpObject();
xtermlist.onreadystatechange=show_termlist;
xtermlist.open("GET", url);
xsearch.onreadystatechange=search_started;
xsearch.open("GET", url);
xsearch.send(null);
- document.getElementById("termlist").innerHTML = '';
document.getElementById("body").innerHTML = '';
update_history();
shown = 0;
}
+function get_available_facets () {
+ var facet_container = document.getElementById('termlists');
+ var facet_cells = facet_container.childNodes;
+ var facets = Array();
+ var i;
+
+ for (i = 0; i < facet_cells.length; i++) {
+ var cell = facet_cells.item(i);
+
+ if (cell.className == 'facet') {
+ var facet_name = cell.id.replace(/^facet_([^_]+)_terms$/, "$1");
+ facets.push(Array(facet_name, cell));
+ }
+ }
+
+ return facets;
+}
+
+
function get_facet_container (obj) {
return document.getElementById(obj.id + '_terms');
}
if (obj.className == 'selected') {
obj.className = 'unselected';
- container.style.display = 'block';
+ container.style.display = 'inline';
} else {
obj.className = 'selected';
container.style.display = 'none';
projects / pazpar2-moved-to-github.git / blobdiff